Add a base controller test case class for testing various scenarios with exclude and include attributes query param filters.
Add a base controller test case class for testing various scenarios with
exclude and include attributes query param filters.

StackStorm/st2,Plexxi/st2,StackStorm/st2,Plexxi/st2,nzlosh/st2,nzlosh/st2,Plexxi/st2,StackStorm/st2,Plexxi/st2,nzlosh/st2,StackStorm/st2,nzlosh/st2